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Mandible relocating in dental appliance treatment of obstructive sleep apnea syndrome

WT5”BX]GAO Xuemei, ZENG Xianglong, FU Minkui, et al School of Stomatology, Beijing Medical University, Beijing 100081[WT5”HZ]  
Objective [WT5”BZ]To analyze relocation of the mandible during the treatment with dental appliance in obstructive sleep apnea syndrome(OSAS).[WT5”HZ]Methods [WT5”BZ]Forty one OSAS patients with ideal treatment effects after dental appliance therapy were included in the study. The position of mandible relocated analyzed by study models, cephalograms and clinical examination.[WT5”HZ]Results [WT5”BZ]The analysis of study models showed that mandible protrusion was 6.20 ± 1.45mm , which consisted 68% of overall measured sagittal movement of mandible. The amount of mandibular opening was 4.24 ± 0.80mm measured from upper incisor to lower incisor. Cephalometric analysis showed that the amount of mandibular protrusion was 3.68 ± 1.79mm and opening was 8.38 ± 2.56mm with FH as reference plane. Whereas the protrusion was 5.49 ± 1.71mm and opening was 6.94 ± 2.75mm with occlusal as reference plane.[WT5”HZ]Conclusion [WT5”BZ]Suitable location of the mandible could lead to ideal treatment effects with appliance in OSAS.[WT5”HZ]
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